The Tenth of Tevet (Asara B'Tevet) is a fast day which commemorates the beginning of the seige of Jerusalem by Nebuchadnezzar's armies, which eventually led to the First Temple's destruction and the Babylonian Exile. A number of other tragedies occurred in Jewish history on nearby dates.

The Tenth of Tevet will next be observed on January 7, 2020, from dawn until nightfall. read more »